.fl{
    float: left;
}
.fr{
    float: right;
}

/*双伪元素清除浮动----------！！！！*/
.clearfix:before, .clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

/*兼容IE浏览器清除浮动*/
.clearfix {
    zoom: 1;
}

.pointer {
    cursor: pointer;
}

.singleLineOmission {
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
}
